CST6 STRONGLIGHT 100 TRIPLE CHAINSET 170mm 52/42/32T 86mm BCD 22mm extractor threads I have a very good choice of 86mm rings to fit, a very versatile crankset taking rings down to 28T see http://hilarystone.com/chainrings86BCD.html perfect tapers and threads some small rubs and marks to cranks otherwise excellent and almost unused rings £59

CST9 SPIDEL STRONGLIGHT 99bis DRILLED CHAINSET 170mm 2nd type 1977–82 52/42/32T 86mm BCD perfect tapers and threads 23.35mm extractor threads I have a very good choice of 86mm rings to fit, a very versatile crankset taking rings down to 28T see http://hilarystone.com/chainrings86BCD.html French pedal threads – I can convert to English free of charge Excellent £94